For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningTraction Control System (TCS)
The traction control system limits wheel spin. The system is on when the vehicle
is started.
• To turn off traction control, press and release
on the center console.
illuminates in the instrument cluster.
• Press and release again to turn traction
control back on. ...
Steering Linkage Outer Tie Rod Replacement
Preliminary Procedure
Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and
Installation.
Steering Linkage Tie Rod Nut
Caution: Refer to Fastener Caution in the Preface section.
Tighten
35 N·m (26 lb ft)
Steering Linkage Inner Tie Rod Nut
Tighten
60 N·m (44 ...
Service Vehicle Messages
SERVICE AC SYSTEM
This message displays if there is a problem with the air conditioning system.
Take the vehicle to your dealer for service.
SERVICE POWER STEERING
This message displays if there is a problem with the power steering system. Take
the vehicle to your dealer for service.
SERVICE ...